Nakano, Toshiaki, et al. “Reduced Expression of Dermcidin, a Peptide Active Against Propionibacterium Acnes, in Sweat of Patients With Acne Vulgaris”. Acta Dermato-Venereologica, vol. 95, no. 7, Mar. 2015, pp. 783-6, doi:10.2340/00015555-2068.